. Bulletin. Natural history; Natural history. June, 1955 Curl: Oak Wilt Inocula 309 gus. In winter months, Glischrochilus obtusus was present usually only in small numbers of 1 to 10 per mat. In April, large numbers of adult Scoly- tidae were seen running over the bark sur- face or making holes through the bark of diseased oaks that were near the mat-pro- ducing stage. Later, in May and June, many holes made by these beetles were seen in the wood and bark of most of the mat-bearing trees. It was common to find several holes extending through mycelial mats beneath the bark, fig. 165, C. Many of
. Bulletin. Natural history; Natural history. June, 1955 Curl: Oak Wilt Inocula 309 gus. In winter months, Glischrochilus obtusus was present usually only in small numbers of 1 to 10 per mat. In April, large numbers of adult Scoly- tidae were seen running over the bark sur- face or making holes through the bark of diseased oaks that were near the mat-pro- ducing stage. Later, in May and June, many holes made by these beetles were seen in the wood and bark of most of the mat-bearing trees. It was common to find several holes extending through mycelial mats beneath the bark, fig. 165, C. Many of these holes had been made directly. Fig. 18.—Mats of Endoconidiopliora fagacearum on which unidentified fungi hav all but the central pads. e overrun. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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